Patent US3054402A successfully refreshed from Google Patents.
US3054402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental syringe
Assignee: HANAU ENGINEERING Co Inc
•
Filing: 1959-05-14
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Granted: 1962-09-18
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Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Edmond J Franwick
- 👤 Richard A Beu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:38
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02; A61C17/0217; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2380827A
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US2709452A
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FR1139239A
Cited
GB795283A
Cited
US2884008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |